/usr/include/isa-l.h is in libisal-dev 2.21.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | #ifndef _ISAL_H_
#define _ISAL_H_
#define ISAL_MAJOR_VERSION 2
#define ISAL_MINOR_VERSION 21
#define ISAL_PATCH_VERSION 0
#define ISAL_MAKE_VERSION(maj, min, patch) ((maj) * 0x10000 + (min) * 0x100 + (patch))
#define ISAL_VERSION ISAL_MAKE_VERSION(ISAL_MAJOR_VERSION, ISAL_MINOR_VERSION, ISAL_PATCH_VERSION)
#include <isa-l/crc.h>
#include <isa-l/crc64.h>
#include <isa-l/erasure_code.h>
#include <isa-l/gf_vect_mul.h>
#include <isa-l/igzip_lib.h>
#include <isa-l/raid.h>
#endif //_ISAL_H_
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